I am having trouble getting my legend to format the way I want it to. I suspect it is something simple.
>
> the code I have is
> library(ggplot2)
> ggplot(Chem.comp, aes(Course, GRADE.)) + geom_boxplot(notch =
> TRUE,aes(fill = COHORT))+
> labs(title = "Comparison between ISE cohorts and Peers in the Same Chem
> 2 class",
> y ="Grade Points in class",
> x = "Chemistry 2 quarter") + ylim(0,4.3333)+guides(colour =
> guide_legend(nrow = 3))+
> scale_fill_manual(name = "ISE Cohorts &\nComparison groups", values =
> c("blue","red","blue3","red3","blue4","red4"))
>
> which plots as attached
>
> I would like to have the legend as two columns one blue (ISE07, ISE08,
> ISE09) and one red ( Comparison 07, Comparison 08, Comparison 09)
>
> the guids(colour = guide_legend(nrow=3)) is what I found at stack overflow
>
> (
> http://stackoverflow.com/questions/12323416/arranging-ggplot2-legend-items-in-a-grid
> )
> and I am not quite sure how to parse for myself the ggplot documentation
> page but it looks the same.
>
http://docs.ggplot2.org/current/guide_legend.html
>
> Ideally I'd like the legend to have a column of text lables,(ISE...) a
> column of blue boxes, a column of red boxes and a column of text labels
> (Comp....). but that is mostly just bonus.
>
> Thanks
> Robert
>
1ColLedgend.pdf
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